Datasheet > A3212LLH

A3212LLH

更新时间： 2024-11-06 20:07:31

品牌	Logo	应用领域
急速微 - ALLEGRO		信息通信管理光电二极管
页数	文件大小	规格书
12页	272K
描述
Analog Circuit, 1 Func, BICMOS, PDSO3, MINIATURE, LOW PROFILE, SOT-23W, 3 PIN

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技术参数
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A3212LLH 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOT-23	包装说明：	TSOP,
针数：	3	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.64
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	R-PDSO-G3
JESD-609代码：	e0	长度：	3 mm
功能数量：	1	端子数量：	3
最高工作温度：	150 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE
峰值回流温度（摄氏度）：	240	认证状态：	Not Qualified
座面最大高度：	1.13 mm	最大供电电压 (Vsup)：	3.5 V
最小供电电压 (Vsup)：	2.5 V	标称供电电压 (Vsup)：	2.75 V
表面贴装：	YES	技术：	BICMOS
温度等级：	AUTOMOTIVE	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	30
宽度：	1.975 mm	Base Number Matches：	1

A3212LLH 数据手册

3212

MICROPOWER, ULTRA-SENSITIVE

HALL-EFFECT SWITCH

The A3212 integrated circuit is an ultra-sensitive, pole independent Hall-

effect switch with a latched digital output. This sensor is especially suited for

operation in battery-operated, hand-held equipment such as cellular and

cordless telephones, pagers, and palmtop computers. A 2.5 volt to 3.5 volt

operation and a unique clocking scheme reduce the average operating power

requirements to less than 15 µW with a 2.75 volt supply.

Package Suffix ‘LH’ Pinning

(SOT23W)

Unlike other Hall-effect switches, either a north or south pole of sufficient

strength will turn the output on; in the absence of a magnetic field, the output is

off. The polarity independence and minimal power requirement allow these

devices to easily replace reed switches for superior reliability and ease of

manufacturing, while eliminating the requirement for signal conditioning.

Improved stability is made possible through chopper stabilization (dynamic

offset cancellation), which reduces the residual offset voltage normally caused

by device overmolding, temperature dependencies, and thermal stress.

This device includes on a single silicon chip a Hall-voltage generator,

small-signal amplifier, chopper stabilization, a latch, and a MOSFET output.

Advanced BiCMOS processing is used to take advantage of low-voltage and

low-power requirements, component matching, very low input-offset errors,

and small component geometries.

Three package styles provide a magnetically optimized package for most

applications. Package suffixes 'EH' and ‘LH’ are for miniature low-profile

(leadless and leaded, respectively) surface-mount packages while suffix ‘UA’ is

for a three-lead SIP for through-hole mounting.

Dwg. PH-016-1

Pinning is shown viewed from branded side.

ABSOLUTE MAXIMUM RATINGS

at T = +25°C

FEATURES

■ Micropower Operation

Supply Voltage, V_DD............................. 5 V

Magnetic Flux Density, B .......... Unlimited

Output Off Voltage, V_OUT..................... 5 V

Output Current, I_OUT.......................... 1 mA

Junction Temperature, T_J............... +170°C

■ Operation with North or South Pole

■ 2.5 V to 3.5 V Battery Operation

■ Chopper Stabilized

Superior Temperature Stability

Extremely Low Switch-Point Drift

Insensitive to Physical Stress

Operating Temperature Range, T_A

■ ESD Protected to 5 kV

■ Solid-State Reliability

Suffix 'E-' ................... -40°C to +85°C

Suffix 'L-' ................. -40°C to +150°C

■ Small Size

■ Easily Manufacturable with Magnet Pole Independence

Storage Temperature Range,

T_S.............................. -65°C to +170°C

Caution: These CMOS devices have input

static protection (Class 3) but are still

susceptible to damage if exposed to

extremely high static electrical charges.

Always order by complete part number: the prefix ‘A’ + the basic four-digit

part number + the suffix ‘E’ or 'L' to indicate operating temperature range + a

suffix to indicate package style, e.g., A3212ELH .

12 3 4 5 6 7...12

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与A3212LLH相关器件

型号	品牌	获取价格	描述	数据表
A3212LLHLT	ALLEGRO	获取价格	MICROPOWER, ULTRA-SENSITIVE HALL-EF FECT SWITCH
A3212LLHLT-T	ALLEGRO	获取价格	MICROPOWER, ULTRA-SENSITIVE HALL-EF FECT SWITCH
A3212LLHLX-T	ALLEGRO	获取价格	Analog Circuit,
A3212LUA	ALLEGRO	获取价格	MICROPOWER, ULTRA-SENSITIVE HALL-EF FECT SWITCH
A3212LUA	SANKEN	获取价格	Analog Circuit, 1 Func, BICMOS, PSIP3, ULTRA MINI, SIP-3
A3212LUA2	ALLEGRO	获取价格	Analog Circuit, 1 Func, BICMOS, PSIP3, SIP-3
A3212LUA-C	ALLEGRO	获取价格	Sensor/Transducer, Open-drain, BICMOS, 3 Pin, Plastic/epoxy,
A3212LUA-LC	ALLEGRO	获取价格	暂无描述
A3212LUA-T	ALLEGRO	获取价格	MICROPOWER, ULTRA-SENSITIVE HALL-EF FECT SWITCH
A3212LUA-TL	ALLEGRO	获取价格	Analog Circuit, 1 Func, BICMOS, PSSO3, ULTRA MINI, SIP-3

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